单片机八个按键控制八个led灯程序(共2页).docx

精选优质文档-倾情为你奉上#include #include void delay(void)unsigned char a,b;for(a=0;a200;a+)for(b=0;b200;b+); unsigned char Key_Scan();void main(void)unsigned char ledValue, keyNum;ledValue = 0x01;while (1)keyNum = Key_Scan(); switch (keyNum)case(0xFE) : ledValue = 0x01;break;case(0xFD) : /返回按键K2的数据ledValue = 0x02;break;case(0xFB) : /返回按键K3的数据ledValue = 0x04;br